Method push_internal_handler

sql/sql_class.cc:998–1011

void THD::push_internal_handler(Internal_error_handler *handler)
{
  DBUG_ENTER("THD::push_internal_handler");
  if (m_internal_handler)
  {
    handler->m_prev_internal_handler= m_internal_handler;
    m_internal_handler= handler;
  }
  else
  {
    m_internal_handler= handler;
  }
  DBUG_VOID_RETURN;
}

bool THD::handle_condition(uint sql_errno,
                           const char* sqlstate,